/Engine/Source/Runtime/Interchange/Core/Public/Types/AttributeStorage.h
Return an attribute handle for the specified attribute. This handle is compile type check and is use to Get and Set the attribute value type. The function will assert if the key is missing or the type doesnt match the specified template type.
template<typename T> [TAttributeHandle](API\Runtime\InterchangeCore\Types\FAttributeStorage\TAttributeHandle)< T > GetAttributeHandle ( const [FAttributeKey](API\Runtime\InterchangeCore\Types\FAttributeKey) & ElementAttributeKey ) const